@metamask/remote-feature-flag-controller - npm Package Compare versions

Comparing version 4.2.0 to 4.2.1

CHANGELOG.md

@@ -10,2 +10,10 @@ # Changelog
 
+## [4.2.1]
+
+### Changed
+
+- Bump `@metamask/controller-utils` from `^11.19.0` to `^12.0.0` ([#8344](https://github.com/MetaMask/core/pull/8344), [#8755](https://github.com/MetaMask/core/pull/8755))
+- Bump `@metamask/messenger` from `^1.0.0` to `^1.2.0` ([#8364](https://github.com/MetaMask/core/pull/8364), [#8373](https://github.com/MetaMask/core/pull/8373), [#8632](https://github.com/MetaMask/core/pull/8632))
+- Bump `@metamask/base-controller` from `^9.0.1` to `^9.1.0` ([#8457](https://github.com/MetaMask/core/pull/8457))
+
 ## [4.2.0]
@@ -207,3 +215,4 @@
 
-[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/remote-feature-flag-controller@4.2.0...HEAD
+[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/remote-feature-flag-controller@4.2.1...HEAD
+[4.2.1]: https://github.com/MetaMask/core/compare/@metamask/remote-feature-flag-controller@4.2.0...@metamask/remote-feature-flag-controller@4.2.1
 [4.2.0]: https://github.com/MetaMask/core/compare/@metamask/remote-feature-flag-controller@4.1.0...@metamask/remote-feature-flag-controller@4.2.0
@@ -210,0 +219,0 @@ [4.1.0]: https://github.com/MetaMask/core/compare/@metamask/remote-feature-flag-controller@4.0.0...@metamask/remote-feature-flag-controller@4.1.0

dist/client-config...rvice/client-config-api-service.cjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"client-config-api-service.cjs","sourceRoot":"","sources":["../../src/client-config-api-service/client-config-api-service.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;AAAA,iEAKoC;AAKpC,gDAAwC;AAUxC;;GAEG;AACH,MAAa,sBAAsB;IAwFjC,YAAY,EACV,KAAK,EAAE,aAAa,EACpB,OAAO,GAAG,sCAAmB,EAC7B,0BAA0B,GAAG,mDAAgC,EAC7D,oBAAoB,GAAG,iDAA8B,EACrD,OAAO,EACP,UAAU,EACV,MAAM,GAaP;;QA3GQ,gDAAqB;QAErB,iDAAuB;QAEvB,iDAAoB;QAEpB,uDAAgC;QAEhC,sDAA8B;QAoGrC,uBAAA,IAAI,iCAAU,aAAa,MAAA,CAAC;QAC5B,uBAAA,IAAI,kCAAW,MAAM,CAAC,MAAM,MAAA,CAAC;QAC7B,uBAAA,IAAI,wCAAiB,MAAM,CAAC,YAAY,MAAA,CAAC;QACzC,uBAAA,IAAI,uCAAgB,MAAM,CAAC,WAAW,MAAA,CAAC;QAEvC,uBAAA,IAAI,kCAAW,IAAA,sCAAmB,EAAC;YACjC,UAAU,EAAE,OAAO;YACnB,sBAAsB,EAAE,0BAA0B;YAClD,oBAAoB;SACrB,CAAC,MAAA,CAAC;QACH,IAAI,OAAO,EAAE,CAAC;YACZ,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;QAChC,CAAC;QACD,IAAI,UAAU,EAAE,CAAC;YACf,uBAAA,IAAI,sCAAQ,CAAC,UAAU,CAAC,UAAU,CAAC,CAAC;QACtC,CAAC;IACH,CAAC;IAED;;;;;;OAMG;IACH,OAAO,CAAC,GAAG,IAA0C;QACnD,OAAO,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,GAAG,IAAI,CAAC,CAAC;IACvC,CAAC;IAED;;;;;;OAMG;IACH,UAAU,CAAC,GAAG,IAA6C;QACzD,OAAO,uBAAA,IAAI,sCAAQ,CAAC,UAAU,CAAC,GAAG,IAAI,CAAC,CAAC;IAC1C,CAAC;IAED;;;;;OAKG;IACI,KAAK,CAAC,uBAAuB;QAClC,MAAM,GAAG,GAAG,GAAG,oBAAQ,iBAAiB,uBAAA,IAAI,sCAAQ,iBAClD,uBAAA,IAAI,4CACN,gBAAgB,uBAAA,IAAI,2CAAa,EAAE,CAAC;QAEpC,MAAM,QAAQ,GAAG,MAAM,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,GAAG,EAAE,CAC/C,uBAAA,IAAI,qCAAO,MAAX,IAAI,EAAQ,GAAG,EAAE,EAAE,KAAK,EAAE,UAAU,EAAE,CAAC,CACxC,CAAC;QAEF,IAAI,CAAC,QAAQ,CAAC,EAAE,EAAE,CAAC;YACjB,MAAM,IAAI,KAAK,CAAC,sCAAsC,CAAC,CAAC;QAC1D,CAAC;QAED,MAAM,IAAI,GAAG,MAAM,QAAQ,CAAC,IAAI,EAAE,CAAC;QAEnC,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE,CAAC;YACzB,MAAM,IAAI,KAAK,CAAC,2CAA2C,CAAC,CAAC;QAC/D,CAAC;QAED,MAAM,kBAAkB,GAAG,uBAAA,IAAI,sFAAqB,MAAzB,IAAI,EAAsB,IAAI,CAAC,CAAC;QAE3D,OAAO;YACL,kBAAkB;YAClB,cAAc,EAAE,IAAI,CAAC,GAAG,EAAE;SAC3B,CAAC;IACJ,CAAC;CAgBF;AApMD,wDAoMC;gZALsB,YAA6B;IAChD,OAAO,YAAY,CAAC,MAAM,CAAC,CAAC,GAAG,EAAE,IAAI,EAAE,EAAE;QACvC,OAAO,EAAE,GAAG,GAAG,EAAE,GAAG,IAAI,EAAE,CAAC;IAC7B,CAAC,EAAE,EAAE,CAAC,CAAC;AACT,CAAC","sourcesContent":["import {\n  createServicePolicy,\n  DEFAULT_CIRCUIT_BREAK_DURATION,\n  DEFAULT_MAX_CONSECUTIVE_FAILURES,\n  DEFAULT_MAX_RETRIES,\n} from '@metamask/controller-utils';\nimport type { ServicePolicy } from '@metamask/controller-utils';\nimport type { IDisposable } from 'cockatiel';\n\nimport type { AbstractClientConfigApiService } from './abstract-client-config-api-service';\nimport { BASE_URL } from '../constants';\nimport type {\n  FeatureFlags,\n  ClientType,\n  DistributionType,\n  EnvironmentType,\n  ServiceResponse,\n  ApiDataResponse,\n} from '../remote-feature-flag-controller-types';\n\n/**\n * This service is responsible for fetching feature flags from the ClientConfig API.\n */\nexport class ClientConfigApiService implements AbstractClientConfigApiService {\n  readonly #fetch: typeof fetch;\n\n  readonly #policy: ServicePolicy;\n\n  readonly #client: ClientType;\n\n  readonly #distribution: DistributionType;\n\n  readonly #environment: EnvironmentType;\n\n  /**\n   * Constructs a new ClientConfigApiService object.\n   *\n   * @param args - The arguments.\n   * @param args.fetch - A function that can be used to make an HTTP request.\n   * If your JavaScript environment supports `fetch` natively, you'll probably\n   * want to pass that; otherwise you can pass an equivalent (such as `fetch`\n   * via `node-fetch`).\n   * @param args.retries - Number of retry attempts for each fetch request.\n   * @param args.maximumConsecutiveFailures - The maximum number of consecutive\n   * failures allowed before breaking the circuit and pausing further fetch\n   * attempts.\n   * @param args.circuitBreakDuration - The amount of time to wait when the\n   * circuit breaks from too many consecutive failures.\n   * @param args.config - The configuration object, includes client,\n   * distribution, and environment.\n   * @param args.config.client - The client type (e.g., 'extension', 'mobile').\n   * @param args.config.distribution - The distribution type (e.g., 'main',\n   * 'flask').\n   * @param args.config.environment - The environment type (e.g., 'prod', 'rc',\n   * 'dev').\n   */\n  constructor(args: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  });\n\n  /**\n   * Constructs a new ClientConfigApiService object.\n   *\n   * @deprecated This signature is deprecated; please use the `onBreak` and\n   * `onDegraded` methods instead.\n   * @param args - The arguments.\n   * @param args.fetch - A function that can be used to make an HTTP request.\n   * If your JavaScript environment supports `fetch` natively, you'll probably\n   * want to pass that; otherwise you can pass an equivalent (such as `fetch`\n   * via `node-fetch`).\n   * @param args.retries - Number of retry attempts for each fetch request.\n   * @param args.maximumConsecutiveFailures - The maximum number of consecutive\n   * failures allowed before breaking the circuit and pausing further fetch\n   * attempts.\n   * @param args.circuitBreakDuration - The amount of time to wait when the\n   * circuit breaks from too many consecutive failures.\n   * @param args.onBreak - Callback for when the circuit breaks, useful\n   * for capturing metrics about network failures.\n   * @param args.onDegraded - Callback for when the API responds successfully\n   * but takes too long to respond (5 seconds or more).\n   * @param args.config - The configuration object, includes client,\n   * distribution, and environment.\n   * @param args.config.client - The client type (e.g., 'extension', 'mobile').\n   * @param args.config.distribution - The distribution type (e.g., 'main',\n   * 'flask').\n   * @param args.config.environment - The environment type (e.g., 'prod', 'rc',\n   * 'dev').\n   */\n  // eslint-disable-next-line @typescript-eslint/unified-signatures\n  constructor(args: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    onBreak?: () => void;\n    onDegraded?: () => void;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  });\n\n  constructor({\n    fetch: fetchFunction,\n    retries = DEFAULT_MAX_RETRIES,\n    maximumConsecutiveFailures = DEFAULT_MAX_CONSECUTIVE_FAILURES,\n    circuitBreakDuration = DEFAULT_CIRCUIT_BREAK_DURATION,\n    onBreak,\n    onDegraded,\n    config,\n  }: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    onBreak?: () => void;\n    onDegraded?: () => void;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  }) {\n    this.#fetch = fetchFunction;\n    this.#client = config.client;\n    this.#distribution = config.distribution;\n    this.#environment = config.environment;\n\n    this.#policy = createServicePolicy({\n      maxRetries: retries,\n      maxConsecutiveFailures: maximumConsecutiveFailures,\n      circuitBreakDuration,\n    });\n    if (onBreak) {\n      this.#policy.onBreak(onBreak);\n    }\n    if (onDegraded) {\n      this.#policy.onDegraded(onDegraded);\n    }\n  }\n\n  /**\n   * Listens for when the request to the API fails too many times in a row.\n   *\n   * @param args - The same arguments that {@link ServicePolicy.onBreak}\n   * takes.\n   * @returns What {@link ServicePolicy.onBreak} returns.\n   */\n  onBreak(...args: Parameters<ServicePolicy['onBreak']>): IDisposable {\n    return this.#policy.onBreak(...args);\n  }\n\n  /**\n   * Listens for when the API is degraded.\n   *\n   * @param args - The same arguments that {@link ServicePolicy.onDegraded}\n   * takes.\n   * @returns What {@link ServicePolicy.onDegraded} returns.\n   */\n  onDegraded(...args: Parameters<ServicePolicy['onDegraded']>): IDisposable {\n    return this.#policy.onDegraded(...args);\n  }\n\n  /**\n   * Fetches feature flags from the API with specific client, distribution, and environment parameters.\n   * Provides structured error handling, including fallback to cached data if available.\n   *\n   * @returns An object of feature flags and their boolean values or a structured error object.\n   */\n  public async fetchRemoteFeatureFlags(): Promise<ServiceResponse> {\n    const url = `${BASE_URL}/flags?client=${this.#client}&distribution=${\n      this.#distribution\n    }&environment=${this.#environment}`;\n\n    const response = await this.#policy.execute(() =>\n      this.#fetch(url, { cache: 'no-cache' }),\n    );\n\n    if (!response.ok) {\n      throw new Error('Failed to fetch remote feature flags');\n    }\n\n    const data = await response.json();\n\n    if (!Array.isArray(data)) {\n      throw new Error('Feature flags api did not return an array');\n    }\n\n    const remoteFeatureFlags = this.#flattenFeatureFlags(data);\n\n    return {\n      remoteFeatureFlags,\n      cacheTimestamp: Date.now(),\n    };\n  }\n\n  /**\n   * Flattens an array of feature flag objects into a single feature flags object.\n   *\n   * @param responseData - Array of objects containing feature flag key-value pairs\n   * @returns A single object containing all feature flags merged together\n   * @example\n   * // Input: [{ flag1: true }, { flag2: [] }]\n   * // Output: { flag1: true, flag2: [] }\n   */\n  #flattenFeatureFlags(responseData: ApiDataResponse): FeatureFlags {\n    return responseData.reduce((acc, curr) => {\n      return { ...acc, ...curr };\n    }, {});\n  }\n}\n"]}
+{"version":3,"file":"client-config-api-service.cjs","sourceRoot":"","sources":["../../src/client-config-api-service/client-config-api-service.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;AAAA,iEAKoC;AAIpC,gDAAwC;AAWxC;;GAEG;AACH,MAAa,sBAAsB;IAwFjC,YAAY,EACV,KAAK,EAAE,aAAa,EACpB,OAAO,GAAG,sCAAmB,EAC7B,0BAA0B,GAAG,mDAAgC,EAC7D,oBAAoB,GAAG,iDAA8B,EACrD,OAAO,EACP,UAAU,EACV,MAAM,GAaP;;QA3GQ,gDAAqB;QAErB,iDAAuB;QAEvB,iDAAoB;QAEpB,uDAAgC;QAEhC,sDAA8B;QAoGrC,uBAAA,IAAI,iCAAU,aAAa,MAAA,CAAC;QAC5B,uBAAA,IAAI,kCAAW,MAAM,CAAC,MAAM,MAAA,CAAC;QAC7B,uBAAA,IAAI,wCAAiB,MAAM,CAAC,YAAY,MAAA,CAAC;QACzC,uBAAA,IAAI,uCAAgB,MAAM,CAAC,WAAW,MAAA,CAAC;QAEvC,uBAAA,IAAI,kCAAW,IAAA,sCAAmB,EAAC;YACjC,UAAU,EAAE,OAAO;YACnB,sBAAsB,EAAE,0BAA0B;YAClD,oBAAoB;SACrB,CAAC,MAAA,CAAC;QACH,IAAI,OAAO,EAAE,CAAC;YACZ,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;QAChC,CAAC;QACD,IAAI,UAAU,EAAE,CAAC;YACf,uBAAA,IAAI,sCAAQ,CAAC,UAAU,CAAC,UAAU,CAAC,CAAC;QACtC,CAAC;IACH,CAAC;IAED;;;;;;OAMG;IACH,OAAO,CAAC,GAAG,IAA0C;QACnD,OAAO,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,GAAG,IAAI,CAAC,CAAC;IACvC,CAAC;IAED;;;;;;OAMG;IACH,UAAU,CAAC,GAAG,IAA6C;QACzD,OAAO,uBAAA,IAAI,sCAAQ,CAAC,UAAU,CAAC,GAAG,IAAI,CAAC,CAAC;IAC1C,CAAC;IAED;;;;;OAKG;IACI,KAAK,CAAC,uBAAuB;QAClC,MAAM,GAAG,GAAG,GAAG,oBAAQ,iBAAiB,uBAAA,IAAI,sCAAQ,iBAClD,uBAAA,IAAI,4CACN,gBAAgB,uBAAA,IAAI,2CAAa,EAAE,CAAC;QAEpC,MAAM,QAAQ,GAAG,MAAM,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,GAAG,EAAE,CAC/C,uBAAA,IAAI,qCAAO,MAAX,IAAI,EAAQ,GAAG,EAAE,EAAE,KAAK,EAAE,UAAU,EAAE,CAAC,CACxC,CAAC;QAEF,IAAI,CAAC,QAAQ,CAAC,EAAE,EAAE,CAAC;YACjB,MAAM,IAAI,KAAK,CAAC,sCAAsC,CAAC,CAAC;QAC1D,CAAC;QAED,MAAM,IAAI,GAAG,MAAM,QAAQ,CAAC,IAAI,EAAE,CAAC;QAEnC,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE,CAAC;YACzB,MAAM,IAAI,KAAK,CAAC,2CAA2C,CAAC,CAAC;QAC/D,CAAC;QAED,MAAM,kBAAkB,GAAG,uBAAA,IAAI,sFAAqB,MAAzB,IAAI,EAAsB,IAAI,CAAC,CAAC;QAE3D,OAAO;YACL,kBAAkB;YAClB,cAAc,EAAE,IAAI,CAAC,GAAG,EAAE;SAC3B,CAAC;IACJ,CAAC;CAgBF;AApMD,wDAoMC;gZALsB,YAA6B;IAChD,OAAO,YAAY,CAAC,MAAM,CAAC,CAAC,GAAG,EAAE,IAAI,EAAE,EAAE;QACvC,OAAO,EAAE,GAAG,GAAG,EAAE,GAAG,IAAI,EAAE,CAAC;IAC7B,CAAC,EAAE,EAAE,CAAC,CAAC;AACT,CAAC","sourcesContent":["import {\n  createServicePolicy,\n  DEFAULT_CIRCUIT_BREAK_DURATION,\n  DEFAULT_MAX_CONSECUTIVE_FAILURES,\n  DEFAULT_MAX_RETRIES,\n} from '@metamask/controller-utils';\nimport type { ServicePolicy } from '@metamask/controller-utils';\nimport type { IDisposable } from 'cockatiel';\n\nimport { BASE_URL } from '../constants';\nimport type {\n  FeatureFlags,\n  ClientType,\n  DistributionType,\n  EnvironmentType,\n  ServiceResponse,\n  ApiDataResponse,\n} from '../remote-feature-flag-controller-types';\nimport type { AbstractClientConfigApiService } from './abstract-client-config-api-service';\n\n/**\n * This service is responsible for fetching feature flags from the ClientConfig API.\n */\nexport class ClientConfigApiService implements AbstractClientConfigApiService {\n  readonly #fetch: typeof fetch;\n\n  readonly #policy: ServicePolicy;\n\n  readonly #client: ClientType;\n\n  readonly #distribution: DistributionType;\n\n  readonly #environment: EnvironmentType;\n\n  /**\n   * Constructs a new ClientConfigApiService object.\n   *\n   * @param args - The arguments.\n   * @param args.fetch - A function that can be used to make an HTTP request.\n   * If your JavaScript environment supports `fetch` natively, you'll probably\n   * want to pass that; otherwise you can pass an equivalent (such as `fetch`\n   * via `node-fetch`).\n   * @param args.retries - Number of retry attempts for each fetch request.\n   * @param args.maximumConsecutiveFailures - The maximum number of consecutive\n   * failures allowed before breaking the circuit and pausing further fetch\n   * attempts.\n   * @param args.circuitBreakDuration - The amount of time to wait when the\n   * circuit breaks from too many consecutive failures.\n   * @param args.config - The configuration object, includes client,\n   * distribution, and environment.\n   * @param args.config.client - The client type (e.g., 'extension', 'mobile').\n   * @param args.config.distribution - The distribution type (e.g., 'main',\n   * 'flask').\n   * @param args.config.environment - The environment type (e.g., 'prod', 'rc',\n   * 'dev').\n   */\n  constructor(args: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  });\n\n  /**\n   * Constructs a new ClientConfigApiService object.\n   *\n   * @deprecated This signature is deprecated; please use the `onBreak` and\n   * `onDegraded` methods instead.\n   * @param args - The arguments.\n   * @param args.fetch - A function that can be used to make an HTTP request.\n   * If your JavaScript environment supports `fetch` natively, you'll probably\n   * want to pass that; otherwise you can pass an equivalent (such as `fetch`\n   * via `node-fetch`).\n   * @param args.retries - Number of retry attempts for each fetch request.\n   * @param args.maximumConsecutiveFailures - The maximum number of consecutive\n   * failures allowed before breaking the circuit and pausing further fetch\n   * attempts.\n   * @param args.circuitBreakDuration - The amount of time to wait when the\n   * circuit breaks from too many consecutive failures.\n   * @param args.onBreak - Callback for when the circuit breaks, useful\n   * for capturing metrics about network failures.\n   * @param args.onDegraded - Callback for when the API responds successfully\n   * but takes too long to respond (5 seconds or more).\n   * @param args.config - The configuration object, includes client,\n   * distribution, and environment.\n   * @param args.config.client - The client type (e.g., 'extension', 'mobile').\n   * @param args.config.distribution - The distribution type (e.g., 'main',\n   * 'flask').\n   * @param args.config.environment - The environment type (e.g., 'prod', 'rc',\n   * 'dev').\n   */\n  // eslint-disable-next-line @typescript-eslint/unified-signatures\n  constructor(args: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    onBreak?: () => void;\n    onDegraded?: () => void;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  });\n\n  constructor({\n    fetch: fetchFunction,\n    retries = DEFAULT_MAX_RETRIES,\n    maximumConsecutiveFailures = DEFAULT_MAX_CONSECUTIVE_FAILURES,\n    circuitBreakDuration = DEFAULT_CIRCUIT_BREAK_DURATION,\n    onBreak,\n    onDegraded,\n    config,\n  }: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    onBreak?: () => void;\n    onDegraded?: () => void;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  }) {\n    this.#fetch = fetchFunction;\n    this.#client = config.client;\n    this.#distribution = config.distribution;\n    this.#environment = config.environment;\n\n    this.#policy = createServicePolicy({\n      maxRetries: retries,\n      maxConsecutiveFailures: maximumConsecutiveFailures,\n      circuitBreakDuration,\n    });\n    if (onBreak) {\n      this.#policy.onBreak(onBreak);\n    }\n    if (onDegraded) {\n      this.#policy.onDegraded(onDegraded);\n    }\n  }\n\n  /**\n   * Listens for when the request to the API fails too many times in a row.\n   *\n   * @param args - The same arguments that {@link ServicePolicy.onBreak}\n   * takes.\n   * @returns What {@link ServicePolicy.onBreak} returns.\n   */\n  onBreak(...args: Parameters<ServicePolicy['onBreak']>): IDisposable {\n    return this.#policy.onBreak(...args);\n  }\n\n  /**\n   * Listens for when the API is degraded.\n   *\n   * @param args - The same arguments that {@link ServicePolicy.onDegraded}\n   * takes.\n   * @returns What {@link ServicePolicy.onDegraded} returns.\n   */\n  onDegraded(...args: Parameters<ServicePolicy['onDegraded']>): IDisposable {\n    return this.#policy.onDegraded(...args);\n  }\n\n  /**\n   * Fetches feature flags from the API with specific client, distribution, and environment parameters.\n   * Provides structured error handling, including fallback to cached data if available.\n   *\n   * @returns An object of feature flags and their boolean values or a structured error object.\n   */\n  public async fetchRemoteFeatureFlags(): Promise<ServiceResponse> {\n    const url = `${BASE_URL}/flags?client=${this.#client}&distribution=${\n      this.#distribution\n    }&environment=${this.#environment}`;\n\n    const response = await this.#policy.execute(() =>\n      this.#fetch(url, { cache: 'no-cache' }),\n    );\n\n    if (!response.ok) {\n      throw new Error('Failed to fetch remote feature flags');\n    }\n\n    const data = await response.json();\n\n    if (!Array.isArray(data)) {\n      throw new Error('Feature flags api did not return an array');\n    }\n\n    const remoteFeatureFlags = this.#flattenFeatureFlags(data);\n\n    return {\n      remoteFeatureFlags,\n      cacheTimestamp: Date.now(),\n    };\n  }\n\n  /**\n   * Flattens an array of feature flag objects into a single feature flags object.\n   *\n   * @param responseData - Array of objects containing feature flag key-value pairs\n   * @returns A single object containing all feature flags merged together\n   * @example\n   * // Input: [{ flag1: true }, { flag2: [] }]\n   * // Output: { flag1: true, flag2: [] }\n   */\n  #flattenFeatureFlags(responseData: ApiDataResponse): FeatureFlags {\n    return responseData.reduce((acc, curr) => {\n      return { ...acc, ...curr };\n    }, {});\n  }\n}\n"]}

dist/client-config...service/client-config-api-service.d.cts

 import type { ServicePolicy } from "@metamask/controller-utils";
 import type { IDisposable } from "cockatiel";
+import type { ClientType, DistributionType, EnvironmentType, ServiceResponse } from "../remote-feature-flag-controller-types.cjs";
 import type { AbstractClientConfigApiService } from "./abstract-client-config-api-service.cjs";
-import type { ClientType, DistributionType, EnvironmentType, ServiceResponse } from "../remote-feature-flag-controller-types.cjs";
 /**
@@ -6,0 +6,0 @@ * This service is responsible for fetching feature flags from the ClientConfig API.

dist/client-config...ice/client-config-api-service.d.cts.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"client-config-api-service.d.cts","sourceRoot":"","sources":["../../src/client-config-api-service/client-config-api-service.ts"],"names":[],"mappings":"AAMA,OAAO,KAAK,EAAE,aAAa,EAAE,mCAAmC;AAChE,OAAO,KAAK,EAAE,WAAW,EAAE,kBAAkB;AAE7C,OAAO,KAAK,EAAE,8BAA8B,EAAE,iDAA6C;AAE3F,OAAO,KAAK,EAEV,UAAU,EACV,gBAAgB,EAChB,eAAe,EACf,eAAe,EAEhB,oDAAgD;AAEjD;;GAEG;AACH,qBAAa,sBAAuB,YAAW,8BAA8B;;IAW3E;;;;;;;;;;;;;;;;;;;;;OAqBG;gBACS,IAAI,EAAE;QAChB,KAAK,EAAE,OAAO,KAAK,CAAC;QACpB,OAAO,CAAC,EAAE,MAAM,CAAC;QACjB,0BAA0B,CAAC,EAAE,MAAM,CAAC;QACpC,oBAAoB,CAAC,EAAE,MAAM,CAAC;QAC9B,MAAM,EAAE;YACN,MAAM,EAAE,UAAU,CAAC;YACnB,YAAY,EAAE,gBAAgB,CAAC;YAC/B,WAAW,EAAE,eAAe,CAAC;SAC9B,CAAC;KACH;IAED;;;;;;;;;;;;;;;;;;;;;;;;;;;OA2BG;gBAES,IAAI,EAAE;QAChB,KAAK,EAAE,OAAO,KAAK,CAAC;QACpB,OAAO,CAAC,EAAE,MAAM,CAAC;QACjB,0BAA0B,CAAC,EAAE,MAAM,CAAC;QACpC,oBAAoB,CAAC,EAAE,MAAM,CAAC;QAC9B,OAAO,CAAC,EAAE,MAAM,IAAI,CAAC;QACrB,UAAU,CAAC,EAAE,MAAM,IAAI,CAAC;QACxB,MAAM,EAAE;YACN,MAAM,EAAE,UAAU,CAAC;YACnB,YAAY,EAAE,gBAAgB,CAAC;YAC/B,WAAW,EAAE,eAAe,CAAC;SAC9B,CAAC;KACH;IAyCD;;;;;;OAMG;IACH,OAAO,CAAC,GAAG,IAAI,EAAE,UAAU,CAAC,aAAa,CAAC,SAAS,CAAC,CAAC,GAAG,WAAW;IAInE;;;;;;OAMG;IACH,UAAU,CAAC,GAAG,IAAI,EAAE,UAAU,CAAC,aAAa,CAAC,YAAY,CAAC,CAAC,GAAG,WAAW;IAIzE;;;;;OAKG;IACU,uBAAuB,IAAI,OAAO,CAAC,eAAe,CAAC;CAyCjE"}
+{"version":3,"file":"client-config-api-service.d.cts","sourceRoot":"","sources":["../../src/client-config-api-service/client-config-api-service.ts"],"names":[],"mappings":"AAMA,OAAO,KAAK,EAAE,aAAa,EAAE,mCAAmC;AAChE,OAAO,KAAK,EAAE,WAAW,EAAE,kBAAkB;AAG7C,OAAO,KAAK,EAEV,UAAU,EACV,gBAAgB,EAChB,eAAe,EACf,eAAe,EAEhB,oDAAgD;AACjD,OAAO,KAAK,EAAE,8BAA8B,EAAE,iDAA6C;AAE3F;;GAEG;AACH,qBAAa,sBAAuB,YAAW,8BAA8B;;IAW3E;;;;;;;;;;;;;;;;;;;;;OAqBG;gBACS,IAAI,EAAE;QAChB,KAAK,EAAE,OAAO,KAAK,CAAC;QACpB,OAAO,CAAC,EAAE,MAAM,CAAC;QACjB,0BAA0B,CAAC,EAAE,MAAM,CAAC;QACpC,oBAAoB,CAAC,EAAE,MAAM,CAAC;QAC9B,MAAM,EAAE;YACN,MAAM,EAAE,UAAU,CAAC;YACnB,YAAY,EAAE,gBAAgB,CAAC;YAC/B,WAAW,EAAE,eAAe,CAAC;SAC9B,CAAC;KACH;IAED;;;;;;;;;;;;;;;;;;;;;;;;;;;OA2BG;gBAES,IAAI,EAAE;QAChB,KAAK,EAAE,OAAO,KAAK,CAAC;QACpB,OAAO,CAAC,EAAE,MAAM,CAAC;QACjB,0BAA0B,CAAC,EAAE,MAAM,CAAC;QACpC,oBAAoB,CAAC,EAAE,MAAM,CAAC;QAC9B,OAAO,CAAC,EAAE,MAAM,IAAI,CAAC;QACrB,UAAU,CAAC,EAAE,MAAM,IAAI,CAAC;QACxB,MAAM,EAAE;YACN,MAAM,EAAE,UAAU,CAAC;YACnB,YAAY,EAAE,gBAAgB,CAAC;YAC/B,WAAW,EAAE,eAAe,CAAC;SAC9B,CAAC;KACH;IAyCD;;;;;;OAMG;IACH,OAAO,CAAC,GAAG,IAAI,EAAE,UAAU,CAAC,aAAa,CAAC,SAAS,CAAC,CAAC,GAAG,WAAW;IAInE;;;;;;OAMG;IACH,UAAU,CAAC,GAAG,IAAI,EAAE,UAAU,CAAC,aAAa,CAAC,YAAY,CAAC,CAAC,GAAG,WAAW;IAIzE;;;;;OAKG;IACU,uBAAuB,IAAI,OAAO,CAAC,eAAe,CAAC;CAyCjE"}

dist/client-config...service/client-config-api-service.d.mts

 import type { ServicePolicy } from "@metamask/controller-utils";
 import type { IDisposable } from "cockatiel";
+import type { ClientType, DistributionType, EnvironmentType, ServiceResponse } from "../remote-feature-flag-controller-types.mjs";
 import type { AbstractClientConfigApiService } from "./abstract-client-config-api-service.mjs";
-import type { ClientType, DistributionType, EnvironmentType, ServiceResponse } from "../remote-feature-flag-controller-types.mjs";
 /**
@@ -6,0 +6,0 @@ * This service is responsible for fetching feature flags from the ClientConfig API.

dist/client-config...ice/client-config-api-service.d.mts.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"client-config-api-service.d.mts","sourceRoot":"","sources":["../../src/client-config-api-service/client-config-api-service.ts"],"names":[],"mappings":"AAMA,OAAO,KAAK,EAAE,aAAa,EAAE,mCAAmC;AAChE,OAAO,KAAK,EAAE,WAAW,EAAE,kBAAkB;AAE7C,OAAO,KAAK,EAAE,8BAA8B,EAAE,iDAA6C;AAE3F,OAAO,KAAK,EAEV,UAAU,EACV,gBAAgB,EAChB,eAAe,EACf,eAAe,EAEhB,oDAAgD;AAEjD;;GAEG;AACH,qBAAa,sBAAuB,YAAW,8BAA8B;;IAW3E;;;;;;;;;;;;;;;;;;;;;OAqBG;gBACS,IAAI,EAAE;QAChB,KAAK,EAAE,OAAO,KAAK,CAAC;QACpB,OAAO,CAAC,EAAE,MAAM,CAAC;QACjB,0BAA0B,CAAC,EAAE,MAAM,CAAC;QACpC,oBAAoB,CAAC,EAAE,MAAM,CAAC;QAC9B,MAAM,EAAE;YACN,MAAM,EAAE,UAAU,CAAC;YACnB,YAAY,EAAE,gBAAgB,CAAC;YAC/B,WAAW,EAAE,eAAe,CAAC;SAC9B,CAAC;KACH;IAED;;;;;;;;;;;;;;;;;;;;;;;;;;;OA2BG;gBAES,IAAI,EAAE;QAChB,KAAK,EAAE,OAAO,KAAK,CAAC;QACpB,OAAO,CAAC,EAAE,MAAM,CAAC;QACjB,0BAA0B,CAAC,EAAE,MAAM,CAAC;QACpC,oBAAoB,CAAC,EAAE,MAAM,CAAC;QAC9B,OAAO,CAAC,EAAE,MAAM,IAAI,CAAC;QACrB,UAAU,CAAC,EAAE,MAAM,IAAI,CAAC;QACxB,MAAM,EAAE;YACN,MAAM,EAAE,UAAU,CAAC;YACnB,YAAY,EAAE,gBAAgB,CAAC;YAC/B,WAAW,EAAE,eAAe,CAAC;SAC9B,CAAC;KACH;IAyCD;;;;;;OAMG;IACH,OAAO,CAAC,GAAG,IAAI,EAAE,UAAU,CAAC,aAAa,CAAC,SAAS,CAAC,CAAC,GAAG,WAAW;IAInE;;;;;;OAMG;IACH,UAAU,CAAC,GAAG,IAAI,EAAE,UAAU,CAAC,aAAa,CAAC,YAAY,CAAC,CAAC,GAAG,WAAW;IAIzE;;;;;OAKG;IACU,uBAAuB,IAAI,OAAO,CAAC,eAAe,CAAC;CAyCjE"}
+{"version":3,"file":"client-config-api-service.d.mts","sourceRoot":"","sources":["../../src/client-config-api-service/client-config-api-service.ts"],"names":[],"mappings":"AAMA,OAAO,KAAK,EAAE,aAAa,EAAE,mCAAmC;AAChE,OAAO,KAAK,EAAE,WAAW,EAAE,kBAAkB;AAG7C,OAAO,KAAK,EAEV,UAAU,EACV,gBAAgB,EAChB,eAAe,EACf,eAAe,EAEhB,oDAAgD;AACjD,OAAO,KAAK,EAAE,8BAA8B,EAAE,iDAA6C;AAE3F;;GAEG;AACH,qBAAa,sBAAuB,YAAW,8BAA8B;;IAW3E;;;;;;;;;;;;;;;;;;;;;OAqBG;gBACS,IAAI,EAAE;QAChB,KAAK,EAAE,OAAO,KAAK,CAAC;QACpB,OAAO,CAAC,EAAE,MAAM,CAAC;QACjB,0BAA0B,CAAC,EAAE,MAAM,CAAC;QACpC,oBAAoB,CAAC,EAAE,MAAM,CAAC;QAC9B,MAAM,EAAE;YACN,MAAM,EAAE,UAAU,CAAC;YACnB,YAAY,EAAE,gBAAgB,CAAC;YAC/B,WAAW,EAAE,eAAe,CAAC;SAC9B,CAAC;KACH;IAED;;;;;;;;;;;;;;;;;;;;;;;;;;;OA2BG;gBAES,IAAI,EAAE;QAChB,KAAK,EAAE,OAAO,KAAK,CAAC;QACpB,OAAO,CAAC,EAAE,MAAM,CAAC;QACjB,0BAA0B,CAAC,EAAE,MAAM,CAAC;QACpC,oBAAoB,CAAC,EAAE,MAAM,CAAC;QAC9B,OAAO,CAAC,EAAE,MAAM,IAAI,CAAC;QACrB,UAAU,CAAC,EAAE,MAAM,IAAI,CAAC;QACxB,MAAM,EAAE;YACN,MAAM,EAAE,UAAU,CAAC;YACnB,YAAY,EAAE,gBAAgB,CAAC;YAC/B,WAAW,EAAE,eAAe,CAAC;SAC9B,CAAC;KACH;IAyCD;;;;;;OAMG;IACH,OAAO,CAAC,GAAG,IAAI,EAAE,UAAU,CAAC,aAAa,CAAC,SAAS,CAAC,CAAC,GAAG,WAAW;IAInE;;;;;;OAMG;IACH,UAAU,CAAC,GAAG,IAAI,EAAE,UAAU,CAAC,aAAa,CAAC,YAAY,CAAC,CAAC,GAAG,WAAW;IAIzE;;;;;OAKG;IACU,uBAAuB,IAAI,OAAO,CAAC,eAAe,CAAC;CAyCjE"}

dist/client-config...rvice/client-config-api-service.mjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"client-config-api-service.mjs","sourceRoot":"","sources":["../../src/client-config-api-service/client-config-api-service.ts"],"names":[],"mappings":";;;;;;;;;;;;AAAA,OAAO,EACL,mBAAmB,EACnB,8BAA8B,EAC9B,gCAAgC,EAChC,mBAAmB,EACpB,mCAAmC;AAKpC,OAAO,EAAE,QAAQ,EAAE,yBAAqB;AAUxC;;GAEG;AACH,MAAM,OAAO,sBAAsB;IAwFjC,YAAY,EACV,KAAK,EAAE,aAAa,EACpB,OAAO,GAAG,mBAAmB,EAC7B,0BAA0B,GAAG,gCAAgC,EAC7D,oBAAoB,GAAG,8BAA8B,EACrD,OAAO,EACP,UAAU,EACV,MAAM,GAaP;;QA3GQ,gDAAqB;QAErB,iDAAuB;QAEvB,iDAAoB;QAEpB,uDAAgC;QAEhC,sDAA8B;QAoGrC,uBAAA,IAAI,iCAAU,aAAa,MAAA,CAAC;QAC5B,uBAAA,IAAI,kCAAW,MAAM,CAAC,MAAM,MAAA,CAAC;QAC7B,uBAAA,IAAI,wCAAiB,MAAM,CAAC,YAAY,MAAA,CAAC;QACzC,uBAAA,IAAI,uCAAgB,MAAM,CAAC,WAAW,MAAA,CAAC;QAEvC,uBAAA,IAAI,kCAAW,mBAAmB,CAAC;YACjC,UAAU,EAAE,OAAO;YACnB,sBAAsB,EAAE,0BAA0B;YAClD,oBAAoB;SACrB,CAAC,MAAA,CAAC;QACH,IAAI,OAAO,EAAE,CAAC;YACZ,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;QAChC,CAAC;QACD,IAAI,UAAU,EAAE,CAAC;YACf,uBAAA,IAAI,sCAAQ,CAAC,UAAU,CAAC,UAAU,CAAC,CAAC;QACtC,CAAC;IACH,CAAC;IAED;;;;;;OAMG;IACH,OAAO,CAAC,GAAG,IAA0C;QACnD,OAAO,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,GAAG,IAAI,CAAC,CAAC;IACvC,CAAC;IAED;;;;;;OAMG;IACH,UAAU,CAAC,GAAG,IAA6C;QACzD,OAAO,uBAAA,IAAI,sCAAQ,CAAC,UAAU,CAAC,GAAG,IAAI,CAAC,CAAC;IAC1C,CAAC;IAED;;;;;OAKG;IACI,KAAK,CAAC,uBAAuB;QAClC,MAAM,GAAG,GAAG,GAAG,QAAQ,iBAAiB,uBAAA,IAAI,sCAAQ,iBAClD,uBAAA,IAAI,4CACN,gBAAgB,uBAAA,IAAI,2CAAa,EAAE,CAAC;QAEpC,MAAM,QAAQ,GAAG,MAAM,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,GAAG,EAAE,CAC/C,uBAAA,IAAI,qCAAO,MAAX,IAAI,EAAQ,GAAG,EAAE,EAAE,KAAK,EAAE,UAAU,EAAE,CAAC,CACxC,CAAC;QAEF,IAAI,CAAC,QAAQ,CAAC,EAAE,EAAE,CAAC;YACjB,MAAM,IAAI,KAAK,CAAC,sCAAsC,CAAC,CAAC;QAC1D,CAAC;QAED,MAAM,IAAI,GAAG,MAAM,QAAQ,CAAC,IAAI,EAAE,CAAC;QAEnC,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE,CAAC;YACzB,MAAM,IAAI,KAAK,CAAC,2CAA2C,CAAC,CAAC;QAC/D,CAAC;QAED,MAAM,kBAAkB,GAAG,uBAAA,IAAI,sFAAqB,MAAzB,IAAI,EAAsB,IAAI,CAAC,CAAC;QAE3D,OAAO;YACL,kBAAkB;YAClB,cAAc,EAAE,IAAI,CAAC,GAAG,EAAE;SAC3B,CAAC;IACJ,CAAC;CAgBF;gZALsB,YAA6B;IAChD,OAAO,YAAY,CAAC,MAAM,CAAC,CAAC,GAAG,EAAE,IAAI,EAAE,EAAE;QACvC,OAAO,EAAE,GAAG,GAAG,EAAE,GAAG,IAAI,EAAE,CAAC;IAC7B,CAAC,EAAE,EAAE,CAAC,CAAC;AACT,CAAC","sourcesContent":["import {\n  createServicePolicy,\n  DEFAULT_CIRCUIT_BREAK_DURATION,\n  DEFAULT_MAX_CONSECUTIVE_FAILURES,\n  DEFAULT_MAX_RETRIES,\n} from '@metamask/controller-utils';\nimport type { ServicePolicy } from '@metamask/controller-utils';\nimport type { IDisposable } from 'cockatiel';\n\nimport type { AbstractClientConfigApiService } from './abstract-client-config-api-service';\nimport { BASE_URL } from '../constants';\nimport type {\n  FeatureFlags,\n  ClientType,\n  DistributionType,\n  EnvironmentType,\n  ServiceResponse,\n  ApiDataResponse,\n} from '../remote-feature-flag-controller-types';\n\n/**\n * This service is responsible for fetching feature flags from the ClientConfig API.\n */\nexport class ClientConfigApiService implements AbstractClientConfigApiService {\n  readonly #fetch: typeof fetch;\n\n  readonly #policy: ServicePolicy;\n\n  readonly #client: ClientType;\n\n  readonly #distribution: DistributionType;\n\n  readonly #environment: EnvironmentType;\n\n  /**\n   * Constructs a new ClientConfigApiService object.\n   *\n   * @param args - The arguments.\n   * @param args.fetch - A function that can be used to make an HTTP request.\n   * If your JavaScript environment supports `fetch` natively, you'll probably\n   * want to pass that; otherwise you can pass an equivalent (such as `fetch`\n   * via `node-fetch`).\n   * @param args.retries - Number of retry attempts for each fetch request.\n   * @param args.maximumConsecutiveFailures - The maximum number of consecutive\n   * failures allowed before breaking the circuit and pausing further fetch\n   * attempts.\n   * @param args.circuitBreakDuration - The amount of time to wait when the\n   * circuit breaks from too many consecutive failures.\n   * @param args.config - The configuration object, includes client,\n   * distribution, and environment.\n   * @param args.config.client - The client type (e.g., 'extension', 'mobile').\n   * @param args.config.distribution - The distribution type (e.g., 'main',\n   * 'flask').\n   * @param args.config.environment - The environment type (e.g., 'prod', 'rc',\n   * 'dev').\n   */\n  constructor(args: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  });\n\n  /**\n   * Constructs a new ClientConfigApiService object.\n   *\n   * @deprecated This signature is deprecated; please use the `onBreak` and\n   * `onDegraded` methods instead.\n   * @param args - The arguments.\n   * @param args.fetch - A function that can be used to make an HTTP request.\n   * If your JavaScript environment supports `fetch` natively, you'll probably\n   * want to pass that; otherwise you can pass an equivalent (such as `fetch`\n   * via `node-fetch`).\n   * @param args.retries - Number of retry attempts for each fetch request.\n   * @param args.maximumConsecutiveFailures - The maximum number of consecutive\n   * failures allowed before breaking the circuit and pausing further fetch\n   * attempts.\n   * @param args.circuitBreakDuration - The amount of time to wait when the\n   * circuit breaks from too many consecutive failures.\n   * @param args.onBreak - Callback for when the circuit breaks, useful\n   * for capturing metrics about network failures.\n   * @param args.onDegraded - Callback for when the API responds successfully\n   * but takes too long to respond (5 seconds or more).\n   * @param args.config - The configuration object, includes client,\n   * distribution, and environment.\n   * @param args.config.client - The client type (e.g., 'extension', 'mobile').\n   * @param args.config.distribution - The distribution type (e.g., 'main',\n   * 'flask').\n   * @param args.config.environment - The environment type (e.g., 'prod', 'rc',\n   * 'dev').\n   */\n  // eslint-disable-next-line @typescript-eslint/unified-signatures\n  constructor(args: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    onBreak?: () => void;\n    onDegraded?: () => void;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  });\n\n  constructor({\n    fetch: fetchFunction,\n    retries = DEFAULT_MAX_RETRIES,\n    maximumConsecutiveFailures = DEFAULT_MAX_CONSECUTIVE_FAILURES,\n    circuitBreakDuration = DEFAULT_CIRCUIT_BREAK_DURATION,\n    onBreak,\n    onDegraded,\n    config,\n  }: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    onBreak?: () => void;\n    onDegraded?: () => void;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  }) {\n    this.#fetch = fetchFunction;\n    this.#client = config.client;\n    this.#distribution = config.distribution;\n    this.#environment = config.environment;\n\n    this.#policy = createServicePolicy({\n      maxRetries: retries,\n      maxConsecutiveFailures: maximumConsecutiveFailures,\n      circuitBreakDuration,\n    });\n    if (onBreak) {\n      this.#policy.onBreak(onBreak);\n    }\n    if (onDegraded) {\n      this.#policy.onDegraded(onDegraded);\n    }\n  }\n\n  /**\n   * Listens for when the request to the API fails too many times in a row.\n   *\n   * @param args - The same arguments that {@link ServicePolicy.onBreak}\n   * takes.\n   * @returns What {@link ServicePolicy.onBreak} returns.\n   */\n  onBreak(...args: Parameters<ServicePolicy['onBreak']>): IDisposable {\n    return this.#policy.onBreak(...args);\n  }\n\n  /**\n   * Listens for when the API is degraded.\n   *\n   * @param args - The same arguments that {@link ServicePolicy.onDegraded}\n   * takes.\n   * @returns What {@link ServicePolicy.onDegraded} returns.\n   */\n  onDegraded(...args: Parameters<ServicePolicy['onDegraded']>): IDisposable {\n    return this.#policy.onDegraded(...args);\n  }\n\n  /**\n   * Fetches feature flags from the API with specific client, distribution, and environment parameters.\n   * Provides structured error handling, including fallback to cached data if available.\n   *\n   * @returns An object of feature flags and their boolean values or a structured error object.\n   */\n  public async fetchRemoteFeatureFlags(): Promise<ServiceResponse> {\n    const url = `${BASE_URL}/flags?client=${this.#client}&distribution=${\n      this.#distribution\n    }&environment=${this.#environment}`;\n\n    const response = await this.#policy.execute(() =>\n      this.#fetch(url, { cache: 'no-cache' }),\n    );\n\n    if (!response.ok) {\n      throw new Error('Failed to fetch remote feature flags');\n    }\n\n    const data = await response.json();\n\n    if (!Array.isArray(data)) {\n      throw new Error('Feature flags api did not return an array');\n    }\n\n    const remoteFeatureFlags = this.#flattenFeatureFlags(data);\n\n    return {\n      remoteFeatureFlags,\n      cacheTimestamp: Date.now(),\n    };\n  }\n\n  /**\n   * Flattens an array of feature flag objects into a single feature flags object.\n   *\n   * @param responseData - Array of objects containing feature flag key-value pairs\n   * @returns A single object containing all feature flags merged together\n   * @example\n   * // Input: [{ flag1: true }, { flag2: [] }]\n   * // Output: { flag1: true, flag2: [] }\n   */\n  #flattenFeatureFlags(responseData: ApiDataResponse): FeatureFlags {\n    return responseData.reduce((acc, curr) => {\n      return { ...acc, ...curr };\n    }, {});\n  }\n}\n"]}
+{"version":3,"file":"client-config-api-service.mjs","sourceRoot":"","sources":["../../src/client-config-api-service/client-config-api-service.ts"],"names":[],"mappings":";;;;;;;;;;;;AAAA,OAAO,EACL,mBAAmB,EACnB,8BAA8B,EAC9B,gCAAgC,EAChC,mBAAmB,EACpB,mCAAmC;AAIpC,OAAO,EAAE,QAAQ,EAAE,yBAAqB;AAWxC;;GAEG;AACH,MAAM,OAAO,sBAAsB;IAwFjC,YAAY,EACV,KAAK,EAAE,aAAa,EACpB,OAAO,GAAG,mBAAmB,EAC7B,0BAA0B,GAAG,gCAAgC,EAC7D,oBAAoB,GAAG,8BAA8B,EACrD,OAAO,EACP,UAAU,EACV,MAAM,GAaP;;QA3GQ,gDAAqB;QAErB,iDAAuB;QAEvB,iDAAoB;QAEpB,uDAAgC;QAEhC,sDAA8B;QAoGrC,uBAAA,IAAI,iCAAU,aAAa,MAAA,CAAC;QAC5B,uBAAA,IAAI,kCAAW,MAAM,CAAC,MAAM,MAAA,CAAC;QAC7B,uBAAA,IAAI,wCAAiB,MAAM,CAAC,YAAY,MAAA,CAAC;QACzC,uBAAA,IAAI,uCAAgB,MAAM,CAAC,WAAW,MAAA,CAAC;QAEvC,uBAAA,IAAI,kCAAW,mBAAmB,CAAC;YACjC,UAAU,EAAE,OAAO;YACnB,sBAAsB,EAAE,0BAA0B;YAClD,oBAAoB;SACrB,CAAC,MAAA,CAAC;QACH,IAAI,OAAO,EAAE,CAAC;YACZ,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;QAChC,CAAC;QACD,IAAI,UAAU,EAAE,CAAC;YACf,uBAAA,IAAI,sCAAQ,CAAC,UAAU,CAAC,UAAU,CAAC,CAAC;QACtC,CAAC;IACH,CAAC;IAED;;;;;;OAMG;IACH,OAAO,CAAC,GAAG,IAA0C;QACnD,OAAO,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,GAAG,IAAI,CAAC,CAAC;IACvC,CAAC;IAED;;;;;;OAMG;IACH,UAAU,CAAC,GAAG,IAA6C;QACzD,OAAO,uBAAA,IAAI,sCAAQ,CAAC,UAAU,CAAC,GAAG,IAAI,CAAC,CAAC;IAC1C,CAAC;IAED;;;;;OAKG;IACI,KAAK,CAAC,uBAAuB;QAClC,MAAM,GAAG,GAAG,GAAG,QAAQ,iBAAiB,uBAAA,IAAI,sCAAQ,iBAClD,uBAAA,IAAI,4CACN,gBAAgB,uBAAA,IAAI,2CAAa,EAAE,CAAC;QAEpC,MAAM,QAAQ,GAAG,MAAM,uBAAA,IAAI,sCAAQ,CAAC,OAAO,CAAC,GAAG,EAAE,CAC/C,uBAAA,IAAI,qCAAO,MAAX,IAAI,EAAQ,GAAG,EAAE,EAAE,KAAK,EAAE,UAAU,EAAE,CAAC,CACxC,CAAC;QAEF,IAAI,CAAC,QAAQ,CAAC,EAAE,EAAE,CAAC;YACjB,MAAM,IAAI,KAAK,CAAC,sCAAsC,CAAC,CAAC;QAC1D,CAAC;QAED,MAAM,IAAI,GAAG,MAAM,QAAQ,CAAC,IAAI,EAAE,CAAC;QAEnC,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE,CAAC;YACzB,MAAM,IAAI,KAAK,CAAC,2CAA2C,CAAC,CAAC;QAC/D,CAAC;QAED,MAAM,kBAAkB,GAAG,uBAAA,IAAI,sFAAqB,MAAzB,IAAI,EAAsB,IAAI,CAAC,CAAC;QAE3D,OAAO;YACL,kBAAkB;YAClB,cAAc,EAAE,IAAI,CAAC,GAAG,EAAE;SAC3B,CAAC;IACJ,CAAC;CAgBF;gZALsB,YAA6B;IAChD,OAAO,YAAY,CAAC,MAAM,CAAC,CAAC,GAAG,EAAE,IAAI,EAAE,EAAE;QACvC,OAAO,EAAE,GAAG,GAAG,EAAE,GAAG,IAAI,EAAE,CAAC;IAC7B,CAAC,EAAE,EAAE,CAAC,CAAC;AACT,CAAC","sourcesContent":["import {\n  createServicePolicy,\n  DEFAULT_CIRCUIT_BREAK_DURATION,\n  DEFAULT_MAX_CONSECUTIVE_FAILURES,\n  DEFAULT_MAX_RETRIES,\n} from '@metamask/controller-utils';\nimport type { ServicePolicy } from '@metamask/controller-utils';\nimport type { IDisposable } from 'cockatiel';\n\nimport { BASE_URL } from '../constants';\nimport type {\n  FeatureFlags,\n  ClientType,\n  DistributionType,\n  EnvironmentType,\n  ServiceResponse,\n  ApiDataResponse,\n} from '../remote-feature-flag-controller-types';\nimport type { AbstractClientConfigApiService } from './abstract-client-config-api-service';\n\n/**\n * This service is responsible for fetching feature flags from the ClientConfig API.\n */\nexport class ClientConfigApiService implements AbstractClientConfigApiService {\n  readonly #fetch: typeof fetch;\n\n  readonly #policy: ServicePolicy;\n\n  readonly #client: ClientType;\n\n  readonly #distribution: DistributionType;\n\n  readonly #environment: EnvironmentType;\n\n  /**\n   * Constructs a new ClientConfigApiService object.\n   *\n   * @param args - The arguments.\n   * @param args.fetch - A function that can be used to make an HTTP request.\n   * If your JavaScript environment supports `fetch` natively, you'll probably\n   * want to pass that; otherwise you can pass an equivalent (such as `fetch`\n   * via `node-fetch`).\n   * @param args.retries - Number of retry attempts for each fetch request.\n   * @param args.maximumConsecutiveFailures - The maximum number of consecutive\n   * failures allowed before breaking the circuit and pausing further fetch\n   * attempts.\n   * @param args.circuitBreakDuration - The amount of time to wait when the\n   * circuit breaks from too many consecutive failures.\n   * @param args.config - The configuration object, includes client,\n   * distribution, and environment.\n   * @param args.config.client - The client type (e.g., 'extension', 'mobile').\n   * @param args.config.distribution - The distribution type (e.g., 'main',\n   * 'flask').\n   * @param args.config.environment - The environment type (e.g., 'prod', 'rc',\n   * 'dev').\n   */\n  constructor(args: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  });\n\n  /**\n   * Constructs a new ClientConfigApiService object.\n   *\n   * @deprecated This signature is deprecated; please use the `onBreak` and\n   * `onDegraded` methods instead.\n   * @param args - The arguments.\n   * @param args.fetch - A function that can be used to make an HTTP request.\n   * If your JavaScript environment supports `fetch` natively, you'll probably\n   * want to pass that; otherwise you can pass an equivalent (such as `fetch`\n   * via `node-fetch`).\n   * @param args.retries - Number of retry attempts for each fetch request.\n   * @param args.maximumConsecutiveFailures - The maximum number of consecutive\n   * failures allowed before breaking the circuit and pausing further fetch\n   * attempts.\n   * @param args.circuitBreakDuration - The amount of time to wait when the\n   * circuit breaks from too many consecutive failures.\n   * @param args.onBreak - Callback for when the circuit breaks, useful\n   * for capturing metrics about network failures.\n   * @param args.onDegraded - Callback for when the API responds successfully\n   * but takes too long to respond (5 seconds or more).\n   * @param args.config - The configuration object, includes client,\n   * distribution, and environment.\n   * @param args.config.client - The client type (e.g., 'extension', 'mobile').\n   * @param args.config.distribution - The distribution type (e.g., 'main',\n   * 'flask').\n   * @param args.config.environment - The environment type (e.g., 'prod', 'rc',\n   * 'dev').\n   */\n  // eslint-disable-next-line @typescript-eslint/unified-signatures\n  constructor(args: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    onBreak?: () => void;\n    onDegraded?: () => void;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  });\n\n  constructor({\n    fetch: fetchFunction,\n    retries = DEFAULT_MAX_RETRIES,\n    maximumConsecutiveFailures = DEFAULT_MAX_CONSECUTIVE_FAILURES,\n    circuitBreakDuration = DEFAULT_CIRCUIT_BREAK_DURATION,\n    onBreak,\n    onDegraded,\n    config,\n  }: {\n    fetch: typeof fetch;\n    retries?: number;\n    maximumConsecutiveFailures?: number;\n    circuitBreakDuration?: number;\n    onBreak?: () => void;\n    onDegraded?: () => void;\n    config: {\n      client: ClientType;\n      distribution: DistributionType;\n      environment: EnvironmentType;\n    };\n  }) {\n    this.#fetch = fetchFunction;\n    this.#client = config.client;\n    this.#distribution = config.distribution;\n    this.#environment = config.environment;\n\n    this.#policy = createServicePolicy({\n      maxRetries: retries,\n      maxConsecutiveFailures: maximumConsecutiveFailures,\n      circuitBreakDuration,\n    });\n    if (onBreak) {\n      this.#policy.onBreak(onBreak);\n    }\n    if (onDegraded) {\n      this.#policy.onDegraded(onDegraded);\n    }\n  }\n\n  /**\n   * Listens for when the request to the API fails too many times in a row.\n   *\n   * @param args - The same arguments that {@link ServicePolicy.onBreak}\n   * takes.\n   * @returns What {@link ServicePolicy.onBreak} returns.\n   */\n  onBreak(...args: Parameters<ServicePolicy['onBreak']>): IDisposable {\n    return this.#policy.onBreak(...args);\n  }\n\n  /**\n   * Listens for when the API is degraded.\n   *\n   * @param args - The same arguments that {@link ServicePolicy.onDegraded}\n   * takes.\n   * @returns What {@link ServicePolicy.onDegraded} returns.\n   */\n  onDegraded(...args: Parameters<ServicePolicy['onDegraded']>): IDisposable {\n    return this.#policy.onDegraded(...args);\n  }\n\n  /**\n   * Fetches feature flags from the API with specific client, distribution, and environment parameters.\n   * Provides structured error handling, including fallback to cached data if available.\n   *\n   * @returns An object of feature flags and their boolean values or a structured error object.\n   */\n  public async fetchRemoteFeatureFlags(): Promise<ServiceResponse> {\n    const url = `${BASE_URL}/flags?client=${this.#client}&distribution=${\n      this.#distribution\n    }&environment=${this.#environment}`;\n\n    const response = await this.#policy.execute(() =>\n      this.#fetch(url, { cache: 'no-cache' }),\n    );\n\n    if (!response.ok) {\n      throw new Error('Failed to fetch remote feature flags');\n    }\n\n    const data = await response.json();\n\n    if (!Array.isArray(data)) {\n      throw new Error('Feature flags api did not return an array');\n    }\n\n    const remoteFeatureFlags = this.#flattenFeatureFlags(data);\n\n    return {\n      remoteFeatureFlags,\n      cacheTimestamp: Date.now(),\n    };\n  }\n\n  /**\n   * Flattens an array of feature flag objects into a single feature flags object.\n   *\n   * @param responseData - Array of objects containing feature flag key-value pairs\n   * @returns A single object containing all feature flags merged together\n   * @example\n   * // Input: [{ flag1: true }, { flag2: [] }]\n   * // Output: { flag1: true, flag2: [] }\n   */\n  #flattenFeatureFlags(responseData: ApiDataResponse): FeatureFlags {\n    return responseData.reduce((acc, curr) => {\n      return { ...acc, ...curr };\n    }, {});\n  }\n}\n"]}

package.json

 {
   "name": "@metamask/remote-feature-flag-controller",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "description": "The RemoteFeatureFlagController manages the retrieval and caching of remote feature flags",
   "keywords": [
-    "MetaMask",
-    "Ethereum"
+    "Ethereum",
+    "MetaMask"
   ],
@@ -13,2 +13,3 @@ "homepage": "https://github.com/MetaMask/core/tree/main/packages/remote-feature-flag-controller#readme",
   },
+  "license": "(MIT OR Apache-2.0)",
   "repository": {
@@ -18,4 +19,8 @@ "type": "git",
   },
-  "license": "(MIT OR Apache-2.0)",
+  "files": [
+    "dist/"
+  ],
   "sideEffects": false,
+  "main": "./dist/index.cjs",
+  "types": "./dist/index.d.cts",
   "exports": {
@@ -34,7 +39,6 @@ ".": {
   },
-  "main": "./dist/index.cjs",
-  "types": "./dist/index.d.cts",
-  "files": [
-    "dist/"
-  ],
+  "publishConfig": {
+    "access": "public",
+    "registry": "https://registry.npmjs.org/"
+  },
   "scripts": {
@@ -46,3 +50,4 @@ "build": "ts-bridge --project tsconfig.build.json --verbose --clean --no-references",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/remote-feature-flag-controller",
-    "generate-method-action-types": "tsx ../../scripts/generate-method-action-types.ts",
+    "messenger-action-types:check": "tsx ../../packages/messenger-cli/src/cli.ts --formatter oxfmt --check",
+    "messenger-action-types:generate": "tsx ../../packages/messenger-cli/src/cli.ts --formatter oxfmt --generate",
     "since-latest-release": "../../scripts/since-latest-release.sh",
@@ -55,5 +60,5 @@ "test": "NODE_OPTIONS=--experimental-vm-modules jest --reporters=jest-silent-reporter",
   "dependencies": {
-    "@metamask/base-controller": "^9.0.1",
-    "@metamask/controller-utils": "^11.19.0",
-    "@metamask/messenger": "^1.0.0",
+    "@metamask/base-controller": "^9.1.0",
+    "@metamask/controller-utils": "^12.0.0",
+    "@metamask/messenger": "^1.2.0",
     "@metamask/utils": "^11.9.0",
@@ -64,3 +69,3 @@ "uuid": "^8.3.2"
     "@lavamoat/allow-scripts": "^3.0.4",
-    "@metamask/auto-changelog": "^3.4.4",
+    "@metamask/auto-changelog": "^6.1.0",
     "@ts-bridge/cli": "^0.6.4",
@@ -79,7 +84,3 @@ "@types/jest": "^29.5.14",
     "node": "^18.18 || >=20"
-  },
-  "publishConfig": {
-    "access": "public",
-    "registry": "https://registry.npmjs.org/"
   }
 }

No alert changes

Improved metrics

Total package byte prevSize

246387

0.33%

Dependency changes

• + Added

  @ethersproject/abi@5.8.0
  (transitive)

• + Added

  @ethersproject/abstract-provider@5.8.0
  (transitive)

• + Added

  @ethersproject/abstract-signer@5.8.0
  (transitive)

• + Added

  @ethersproject/address@5.8.0
  (transitive)

• + Added

  @ethersproject/base64@5.8.0
  (transitive)

• + Added

  @ethersproject/bignumber@5.8.0
  (transitive)

• + Added

  @ethersproject/bytes@5.8.0
  (transitive)

• + Added

  @ethersproject/constants@5.8.0
  (transitive)

• + Added

  @ethersproject/hash@5.8.0
  (transitive)

• + Added

  @ethersproject/keccak256@5.8.0
  (transitive)

• + Added

  @ethersproject/logger@5.8.0
  (transitive)

• + Added

  @ethersproject/networks@5.8.0
  (transitive)

• + Added

  @ethersproject/properties@5.8.0
  (transitive)

• + Added

  @ethersproject/rlp@5.8.0
  (transitive)

• + Added

  @ethersproject/signing-key@5.8.0
  (transitive)

• + Added

  @ethersproject/strings@5.8.0
  (transitive)

• + Added

  @ethersproject/transactions@5.8.0
  (transitive)

• + Added

  @ethersproject/web@5.8.0
  (transitive)

• + Added

  @metamask/controller-utils@12.2.0
  (transitive)

• + Added

  bn.js@4.12.3
  (transitive)

• + Added

  brorand@1.1.0
  (transitive)

• + Added

  elliptic@6.6.1
  (transitive)

• + Added

  hash.js@1.1.7
  (transitive)

• + Added

  hmac-drbg@1.0.1
  (transitive)

• + Added

  inherits@2.0.4
  (transitive)

• + Added

  js-sha3@0.8.0
  (transitive)

• + Added

  minimalistic-assert@1.0.1
  (transitive)

• + Added

  minimalistic-crypto-utils@1.0.1
  (transitive)

• - Removed

  @metamask/controller-utils@11.20.0
  (transitive)

• Updated

  @metamask/base-controller@^9.1.0

• Updated

  @metamask/controller-utils@^12.0.0

• Updated

  @metamask/messenger@^1.2.0